Unity compatibility with Billing Library 5 or later? When? Help!

[FLOBUK]

Hello,

no need to panic. It is already supported.

Important update: Google Play Billing Library v5.1.0

From version 4.8.0, more details here: Google Play - Billing Library update from version 4.0.0 to 5.1.0 Google Release Notes. New Google Billing features are not supported yet, they will be included in a future major update.